HUD test tool

Abstract

The utility model discloses an HUD test tool, and the tool comprises an HUD support frame which is used for supporting and installing an HUD; the windshield glass supporting frame is used for supporting and installing windshield glass and comprises a support assembly and supporting assemblies, the number of the supporting assemblies is at least two, the supporting assemblies can be detachably fixed to the support assembly, and the supporting faces of the supporting assemblies are different. The supporting surfaces of the supporting assemblies are different, the supporting assemblies can be used for supporting and installing windshield glass with different angles or other supporting condition requirements, the supporting assemblies and the support assemblies are detachably fixed, different supporting assemblies are convenient to disassemble, assemble and replace, and therefore the supporting surfaces of the supporting assemblies are different. According to the utility model, the test requirements of the relative angles of various windshields and HUD of different vehicle types can be met, the manufacturing cost of the rack is reduced, the structural composition is simple, the manufacturing and the assembly are convenient, the universality is better, the rapid switching among different test application scenes can be realized, and the test convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of HUD, in particular to a HUD testing tool. Background Art

[0002] HUD (head-up display) is a head-up display device. The front-mounted HUD of a car is generally installed inside the vehicle dashboard and forms a projected virtual image through the front windshield of the vehicle. During the production and manufacturing process of HUD, it needs to be optically tested. The existing technology mainly uses a support stand to fix and support the HUD and windshield to simulate the installation method of the actual car model, and then conduct the test. In this method, since the angle between the windshield and HUD used in different car models is different, it is necessary to develop different windshield support stands to measure the HUD effect of different car models. This not only increases the workload, but also makes it inconvenient to switch application scenarios. Utility Model Content

[0003] The main purpose of the utility model is to provide a HUD test tool with better versatility and the ability to quickly switch between different test application scenarios.

[0004] To achieve the above objectives, the present invention provides a HUD testing tool, comprising:

[0005] HUD support frame, used to support and install the HUD to be tested;

[0006] The windshield support frame is used to support and install the windshield, including a bracket assembly and a support assembly. The support assembly has at least two pairs, each pair of the support assembly can be detachably fixed on the bracket assembly, and the support surfaces of each pair of the support assembly are different.

[0007] Furthermore, the windshield support frame is located outside the HUD support frame and is higher than the HUD support frame.

[0008] Furthermore, the HUD support frame includes two first pillars distributed at intervals.

[0009] Furthermore, the bracket assembly includes four second pillars, and the four second pillars are respectively arranged at two opposite sides of the HUD support frame in pairs, and the support assembly is detachably fixed to the top ends of the four second pillars.

[0010] Furthermore, the two second pillars on one side are higher than the two second pillars on the other side.

[0011] Furthermore, the support assembly includes two upper support blocks and two lower support blocks, the top surface of the upper support block has a support slope, and the top surface of the lower support block has a V-shaped support surface. In the installed state, the two upper support blocks are higher than the two lower support blocks.

[0012] Furthermore, the top surface of the upper support block has an upper rib, and the top surface of the lower support block has a lower rib.

[0013] Furthermore, the bottom surfaces of the upper support block and the lower support block are both provided with card slots, and corresponding positions of the bracket assembly are provided with bosses for detachable plug-in cooperation with the card slots.

[0014] Furthermore, it also includes an optical CCD camera support frame for supporting and installing the optical CCD camera.

[0015] Furthermore, a workbench is included, and the HUD support frame and the windshield support frame are both installed on the workbench.

[0016] The beneficial effects of the present invention are as follows:

[0017] When conducting HUD optical testing, the present invention only needs to install and position the HUD and windshield to be tested on each support frame to conduct the test. The supporting surfaces of the multiple support assemblies are different, so they can be used to support and install windshields with different angles or other supporting conditions. In addition, the detachable fixing design between the support assembly and the bracket assembly facilitates the disassembly and replacement of different support assemblies. Therefore, the present invention can meet the various relative angle testing requirements of windshields and HUDs of different car models, reducing the cost of test bench production. The structure is simple, easy to manufacture and assemble, with better versatility, and can quickly switch between different test application scenarios, thereby improving testing convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the HUD test fixture in the test state according to an embodiment of the present utility model;

[0019] Figure 2 This is a structural diagram of a HUD test tool according to an embodiment of the present invention;

[0020] Figure 3 for Figure 2 A schematic diagram of a structure in which an upper support block and a lower support block are exploded;

[0021] Figure 4 This is a structural schematic diagram of a HUD test tooling according to an embodiment of the present invention.

[0022] Description of reference numerals:

[0023] 1. HUD support frame; 11. First pillar;

[0024] 2. Windshield support frame; 21. Second pillar; 211. Boss; 22. Upper support block; 221. Support slope; 222. Upper rib; 23. Lower support block; 231. V-shaped support surface; 232. Lower rib; 24. Slot;

[0025] 3. Optical CCD camera support frame;

[0026] 4. Workbench; 41. Mounting plate;

[0027] 10. HUD to be tested;

[0028] 20. Windshield;

[0029] 30. Optical CCD camera. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. In the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, if the embodiments of the present invention include descriptions of "first," "second," etc., such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of such features.

[0033] See also Figures 1 to 3 .

[0034] The utility model HUD test tool includes:

[0035] A HUD support frame 1, used for supporting and installing the HUD 10 to be tested;

[0036] The windshield support frame 2 is used to support and install the windshield 20, and includes a bracket assembly and a support assembly. The support assembly has at least two pairs, each pair of the support assembly can be detachably fixed on the bracket assembly, and the support surfaces of each pair of the support assembly are different.

[0037] When conducting HUD optical testing, the present invention installs and positions the HUD 10 and windshield 20 to be tested on each support frame, and then the test can be carried out. The supporting surfaces of the multiple support assemblies are different (for the sake of concise description, only one support assembly is shown in the figure. The angle of its supporting surface can be adjusted as needed on the basis of the illustrated support assembly to serve as another support assembly, or the shape, size, height, etc. of the supporting surface can be adjusted. In specific implementation, it can be set according to the needs of the vehicle model). They can be used to support and install windshields with different angles or other supporting conditions. In addition, the detachable fixing design between the support assembly and the bracket assembly facilitates the disassembly and replacement of different support assemblies. Therefore, the present invention can meet the various windshield and HUD relative angle testing requirements of different vehicle models, reduce the test bench production cost, and has a simple structural composition, which is easy to manufacture and assemble, has better versatility, can quickly switch between different test application scenarios, and improves testing convenience.

[0038] In one embodiment, the windshield support frame 2 is located outside the HUD support frame 1 and is higher than the HUD support frame 1. This design facilitates supporting the windshield 20 above the HUD 10 to be tested, better simulating a car scene.

[0039] In one embodiment, the HUD support frame 1 includes two first pillars 11 spaced apart from each other. This design is simple in structure and easy to implement. Specifically, the ear plates on either side of the HUD 10 under test are supported on the top surfaces of the two first pillars 11. Threaded holes can be provided on the top surfaces of the first pillars 11 to facilitate bolting the HUD 10 under test to the first pillars 11.

[0040] In one embodiment, the bracket assembly includes four second pillars 21, which are spaced apart in pairs on opposite sides of the HUD support frame 1. The support assembly is detachably fixed to the top ends of the four second pillars 21. This design makes efficient use of space, and the support assembly can support the windshield 20 from all four corners.

[0041] In one embodiment, the two second pillars 21 on one side are higher than the two second pillars 21 on the other side. This design can support the windshield 20 in an inclined state, better simulating a car scene.

[0042] In one embodiment, the support assembly includes two upper support blocks 22 and two lower support blocks 23. The top surfaces of the upper support blocks 22 have support slopes 221, and the top surfaces of the lower support blocks 23 have V-shaped support surfaces 231. When installed, the two upper support blocks 22 are higher than the two lower support blocks 23. This design allows the windshield 20 to be supported in an inclined position, with the lower corners of the windshield 20 respectively trapped within the V-shaped support surfaces 231 of the two lower support blocks 23, while the upper sides of the windshield 20 are respectively supported on the support slopes 221 of the two upper support blocks 22. This support position is relatively stable, and when the windshield 20 needs to be removed, it can be directly pulled out from the top, which is convenient and quick. Different support assemblies can be configured with support slopes 221 and V-shaped support surfaces 231 at different angles.

[0043] In one embodiment, buffer pads are provided on the groove surfaces of the supporting inclined surface 221 and the V-shaped supporting surface 231 to protect the windshield 20 .

[0044] In one embodiment, the top surface of the upper support block 22 has an upper retaining edge 222, and the top surface of the lower support block 23 has a lower retaining edge 232. In this design, the upper retaining edge 222 and the lower retaining edge 232 are used to limit the windshield 20 and improve stability.

[0045] In one embodiment, the bottom surfaces of the upper support block 22 and the lower support block 23 are each provided with a slot 24, and corresponding positions of the bracket assembly are provided with a boss 211 for removably plugging into the slot 24. This removable plug-in arrangement of the boss and slot facilitates assembly and replacement; specifically, as shown in the figure, the top surfaces of the four second pillars 21 are provided with a square boss 211, and the bottom surfaces of the two upper support blocks 22 and the two lower support blocks 23 are provided with a square slot 24. The two upper support blocks 22 are plugged into the bosses 211 on the top surfaces of the two higher second pillars 21, and the two lower support blocks 23 are plugged into the bosses 211 on the top surfaces of the two lower second pillars 21.

[0046] See below Figure 4 and Figure 1 .

[0047] In one embodiment, a workbench 4 is further included, upon which the HUD support frame 1 and the windshield support frame 2 are mounted. Specifically, the workbench 4 has an array of threaded holes formed on its surface. The HUD support frame 1 and the windshield support frame 2 are first secured to a mounting plate 41, which is then bolted to the workbench 4. This design facilitates adjustment of the mounting position.

[0048] In one embodiment, the system further includes an optical CCD camera support frame 3 for supporting and mounting an optical CCD camera 30. The optical CCD camera 30 is used to monitor, collect, and control the optical parameters of the HUD 10 under test, and is connected to a controller to analyze and determine the optical parameters. The position of the optical CCD camera 30 is selected based on the eye position of the driver of different vehicles. Specifically, the optical CCD camera support frame 3 is also bolted to the workbench 4. A control box for hardware devices used to monitor the optical CCD camera 30 and the lighting of the HUD 10 under test can also be mounted on the workbench 4.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A HUD test tool, characterized in that: include: HUD support frame, used to support and install the HUD to be tested; The windshield support frame is used to support and install the windshield, including a bracket assembly and a support assembly. The support assembly has at least two pairs, each pair of the support assembly can be detachably fixed on the bracket assembly, and the support surfaces of each pair of the support assembly are different.

2. The HUD test fixture according to claim 1, wherein: The windshield support frame is located at the periphery of the HUD support frame and is higher than the HUD support frame.

3. The HUD test fixture according to claim 1 or 2, characterized in that: The HUD support frame includes two first pillars distributed at intervals.

4. The HUD test fixture according to claim 1 or 2, characterized in that: The bracket assembly includes four second pillars, which are spaced apart in pairs on opposite sides of the HUD support frame, and the support assembly is detachably fixed to the top ends of the four second pillars.

5. The HUD test fixture according to claim 4, wherein: The two second pillars on one side are higher than the two second pillars on the other side.

6. The HUD test fixture according to claim 1 or 2, characterized in that: The support assembly includes two upper support blocks and two lower support blocks. The top surface of the upper support block has a support slope, and the top surface of the lower support block has a V-shaped support surface. In the installed state, the two upper support blocks are higher than the two lower support blocks.

7. The HUD test fixture according to claim 6, wherein: The top surface of the upper support block has an upper rib, and the top surface of the lower support block has a lower rib.

8. The HUD testing tool as claimed in claim 6, characterized in that: The bottom surfaces of the upper support block and the lower support block are both provided with card slots, and corresponding positions of the bracket assembly are provided with bosses for detachable plug-in cooperation with the card slots.

9. The HUD testing tool according to claim 1 or 2, characterized in that: The optical CCD camera support frame is also included for supporting and installing the optical CCD camera.

10. The HUD testing tool according to claim 1 or 2, characterized in that: It also includes a workbench, on which the HUD support frame and the windshield support frame are both installed.

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